Bad Parenting
A society where students and their parents CELEBRATE on cancellation of exams and cry over ban on TikTok & PUBG has no right to ask questions about UNEMPLOYMENT !
Posted by Manoj Jaiswar ( PMJ Sir )
A tuning fork of frequency 170 Hz produces sound waves of wavelength 2 m. Calculate speed of sound.
As per the question the given data is, frequency n = 170Hz wavelength λ =…
HSC Board Form dates are out
HSC Board From dates are out. As per the category of students like regula…
An echo-sounder in a fishing boat receives an echo from a shoal of fish 0.45 s after it was sent. If the speed of sound in water is 1500 m/s, how deep is the shoal?
The data that can be listed from the sum given are, speed v= 1500 m/s time…